Most Arsaeus rings are available in adjustable sizes and fit into a Small, Medium or Large category:
| Size | USA & Canada | Australia & UK | Length Size (mm) |
| Small | > 4 | A – I | > 48 |
| Medium | 5 – 7 | I – P | 49 – 55 |
| Large | 8 – 12 | P – Z | 56 – 68 |
Find Your Size Using String or a Strip of Paper
If you are not sure about your ring size there is a simple test you can do yourself.
Supplies Needed
- Ruler with millimeters
- Non-stretchy string OR a strip of paper
Instructions
- Wrap the piece of string or strip of paper around the base of your finger
- Mark the point where it overlaps with a pen
- Measure the length in millimeters using a ruler
- Compare your length to the first column in the size chart below to determine your ring size
International Ring Sizes
| Length Size (mm) |
Interior Diameter (mm) |
USA & Canada |
Australia, UK & Ireland |
France | Germany & Belgium |
Italy | China, India & Japan |
Swiss |
| 48 | 15.27 | 4 ½ | I ½ | 15 ¼ | 8 | 8 | ||
| 49 | 15.7 | 5 | J ½ | 15 ¾ | 9.5 | 9 | ||
| 51 | 16.1 | 5 ½ | L | 51 ¾ | 16 | 10.5 | 11 | 11 ¾ |
| 52 | 16.51 | 6 | M | 52 ¾ | 16 ½ | 11.5 | 12 | 12 ¾ |
| 53 | 16.92 | 6 ½ | N | 54 | 17 | 13 | 13 | 14 |
| 55 | 17.35 | 7 | O | 55 ¼ | 17 ¼ | 14.5 | 14 | 15 ¼ |
| 56 | 17.75 | 7 ½ | P | 56 ½ | 17 ¾ | 16 | 15 | 16 ½ |
| 57 | 18.19 | 8 | Q | 57 ¾ | 18 | 17 | 16 | 17 ¾ |
| 58 | 18.53 | 8 ½ | Q ½ | 58 | 18 ½ | 18.5 | 17 | |
| 59 | 18.89 | 9 | R ½ | 59 ¼ | 19 | 19.5 | 18 | |
| 61 | 19.41 | 9 ½ | S ½ | 60 ½ | 19 ½ | 21 | 19 | |
| 62 | 19.84 | 10 | T ½ | 61 ¾ | 20 | 22 | 20 | |
| 63 | 20.2 | 10 ½ | U ½ | 62 ¾ | 20 ¼ | 23.5 | 22 | |
| 65 | 20.68 | 11 | V ½ | 64 ¼ | 20 ¾ | 25 | 23 | |
| 66 | 21.08 | 11 ½ | W ½ | 66 | 21 | 26.5 | 24 | |
| 68 | 21.49 | 12 | Y | 67 ½ | 21 ¼ | 27.5 | 25 | 27 ½ |
| 69 | 21.89 | 12 ½ | Z | 68 ¾ | 21 ¾ | 28.5 | 26 | 28 ¾ |
| 70 | 22.33 | 13 | 22 | 30 | 27 |
Have Any Questions?
If you have any questions about sizing or inquiries about custom sizing please do not hesitate to reach us through our Help Center – Thank you!